section#Head {
	position:fixed;
	top:0;height:2em;
	left:0;right:0;
	color:#0FF; background:#F00;
}


section#Main {
	position:fixed;
	top:2em;bottom:2em;
	left:0;right:0;
	padding:2em 0 2em 2em;
	overflow:auto;
}

	#Main>section, #Main>iframe, #Main>div {
		width:31%;float:left;clear:none;margin-right:2em;
		height:700px;overflow:auto;
	}


section#Foot {
	position:fixed;
	bottom:0;height:2em;
	left:0;right:0;
	color:#00F; background:#FF0;
}